It is referred to frequently in the ancient Indian texts. The four classes were the Brahmins<span> (</span>priestly<span> people),
the </span>Kshatriyas<span> (also called </span>Rajanyas<span>, who were </span>rulers<span>, administrators and warriors)
the </span>Vaishyas<span> (</span>artisans<span>, merchants, </span>tradesmen<span> and farmers)
</span>Shudras<span> (labouring classes).</span>
1.Switch to renewable energy
2.reduce methane leaks
3.pick power sources that use less water
4.minimise energy loss among wires
5.use only the voltage you need
6.use energy saving tools
The answer is; affect-laden events.
<em>Hope this helped! :)</em>
